CDC Medical Terminology & Anatomy 2 — Questions and Answers
Question 1: The term 'apical' in dental anatomy refers to the direction toward the:
- Root tip of the tooth (Correct answer)
- Biting surface of the tooth
- Cheek side of the tooth
- Tongue side of the tooth
Correct answer: Root tip of the tooth
Apical means toward the apex or root tip of the tooth.
Question 2: Which prefix means 'around' or 'surrounding,' as in 'periodontal'?
- Peri- (Correct answer)
- Para-
- Post-
- Pre-
Correct answer: Peri-
The prefix 'peri-' means around or surrounding, as seen in periodontal (around the tooth).
Question 3: The term 'osseous' refers to tissue that is:
- Bone-like or composed of bone (Correct answer)
- Muscle-based
- Nerve-related
- Composed of cartilage
Correct answer: Bone-like or composed of bone
Osseous means relating to or composed of bone, from the Latin 'os' meaning bone.
Question 4: In dental ceramics, 'cervical' refers to the region of the tooth near the:
- Gumline or neck of the tooth (Correct answer)
- Incisal edge
- Root apex
- Cusp tip
Correct answer: Gumline or neck of the tooth
Cervical refers to the neck region of the tooth, located at the gumline between the crown and root.
Question 5: The suffix '-itis' in a dental term such as 'gingivitis' indicates:
- Inflammation (Correct answer)
- Surgical removal
- Disease of
- Pertaining to
Correct answer: Inflammation
The suffix '-itis' denotes inflammation, so gingivitis means inflammation of the gingiva.
Question 6: Which anatomical plane divides the body into left and right halves?
- Sagittal plane (Correct answer)
- Coronal plane
- Transverse plane
- Oblique plane
Correct answer: Sagittal plane
The sagittal plane divides the body into left and right halves.
Question 7: The term 'edentulous' describes a patient who is:
- Missing all natural teeth (Correct answer)
- Missing a single tooth
- Partially dentate
- In need of orthodontic treatment
Correct answer: Missing all natural teeth
Edentulous means lacking teeth entirely, requiring full dentures or implant-supported prosthetics.
The term 'apical' in dental anatomy refers to the direction toward the: